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IMap.Replace Method

Definition

Overloads

Replace(Object, Object)

Replaces the entry for the specified key only if it is currently mapped to some value.

Replace(Object, Object, Object)

Replaces the entry for the specified key only if currently mapped to the specified value.

Replace(Object, Object)

Replaces the entry for the specified key only if it is currently mapped to some value.

[Android.Runtime.Register("replace", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", "GetReplace_Ljava_lang_Object_Ljava_lang_Object_Handler:Java.Util.IMap, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", ApiSince=24)]
public virtual Java.Lang.Object? Replace (Java.Lang.Object? key, Java.Lang.Object? value);
[<Android.Runtime.Register("replace", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;", "GetReplace_Ljava_lang_Object_Ljava_lang_Object_Handler:Java.Util.IMap, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", ApiSince=24)>]
abstract member Replace : Java.Lang.Object * Java.Lang.Object -> Java.Lang.Object
override this.Replace : Java.Lang.Object * Java.Lang.Object -> Java.Lang.Object

Parameters

key
Object

key with which the specified value is associated

value
Object

value to be associated with the specified key

Returns

the previous value associated with the specified key, or null if there was no mapping for the key. (A null return can also indicate that the map previously associated null with the key, if the implementation supports null values.)

Attributes

Remarks

Replaces the entry for the specified key only if it is currently mapped to some value.

Added in 1.8.

Java documentation for java.util.Map.replace(K, V).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to

Replace(Object, Object, Object)

Replaces the entry for the specified key only if currently mapped to the specified value.

[Android.Runtime.Register("replace", "(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z", "GetReplace_Ljava_lang_Object_Ljava_lang_Object_Ljava_lang_Object_Handler:Java.Util.IMap, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", ApiSince=24)]
public virtual bool Replace (Java.Lang.Object? key, Java.Lang.Object? oldValue, Java.Lang.Object? newValue);
[<Android.Runtime.Register("replace", "(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/Object;)Z", "GetReplace_Ljava_lang_Object_Ljava_lang_Object_Ljava_lang_Object_Handler:Java.Util.IMap, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null", ApiSince=24)>]
abstract member Replace : Java.Lang.Object * Java.Lang.Object * Java.Lang.Object -> bool
override this.Replace : Java.Lang.Object * Java.Lang.Object * Java.Lang.Object -> bool

Parameters

key
Object

key with which the specified value is associated

oldValue
Object

value expected to be associated with the specified key

newValue
Object

value to be associated with the specified key

Returns

true if the value was replaced

Attributes

Remarks

Replaces the entry for the specified key only if currently mapped to the specified value.

Added in 1.8.

Java documentation for java.util.Map.replace(K, V, V).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to